Spectral signatures discrimination of Norway spruce trees under experimentally induced drought and acute thermal stress using hyperspectral imaging. - Pivovar, Matúš; Näsi, Roope; Honkavaara, Eija; Blaženec, Miroslav; Škvarenina, Jaroslav; Modlinger, Roman; Rožnovský, Jaroslav; Jakuš, Rastislav (Forest Ecology & Management, 2025)